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Feeding ecology of Common Guillemots on Lundy
Feeding ecology of Common Guillemots on Lundy: chick diet in 2008
Chick diet on Lundy
St Philip's Stone 2008
Provisioning rates in 2008
Preliminary provisioning rate of
feeds per chick hour
(40 feeds / 202 chick.hours = 0.8 feeds per chick per 4 hours).
Parental attendance in 2008
Feeding-trip duration in 2008
Preliminary data - 5 timed feeds out of 30 (
). Mean duration of timed feeds = 41m24s, median duration = 37m.
Productivity in 2008
There were at least 17 focal sites. 9 sites produced chicks that either fledged, or were of fledging age (+15days old) when last seen. This gives a productivity of no more than
Diet of Common Guillemot chicks